Astronauts may fall_off during liftoff.Logical formLearned from2 sentences. A female may fall_off a table.Logical formLearned from2 sentences. A political-leader may fall_off a step.Logical formLearned from2 sentences. A company may fall_off a pace.Logical formLearned from2 sentences. Some others may fall_off a ship.Logical formLearned from2 sentences. Some persons may fall_off a bridge.Logical formLearned from2 sentences. A train may fall_off.Logical formLearned from2 sentences. Items may fall_off shelves.Logical formLearned from2 sentences. Aid may fall_off.Logical formLearned from2 sentences. A hose may fall_off.Logical formLearned from2 sentences. A wing of an aircraft may fall_off.Logical formLearned from2 sentences. Trade may fall_off after a russian financial crisis.Logical formLearned from2 sentences. A (growth rate) may fall_off in a long term.Logical formLearned from2 sentences. Trading may fall_off.Logical formLearned from2 sentences. Snow may fall_off a roof of a house.Logical formLearned from2 sentences.